Yu L.L. – TechConnect Briefs

Characterization of Nanosilica Release from a Weathered Nanosilica/Polyurethane Coating

Hsueh H-C, Lu C-Y, Huang S-R, Cheng Y.L., Jacobs D., Rabb S.A., Yu L.L., Nguyen T., Sung L., National Institute of Standards and Technology, US

Polymer nanocoatings are widely used outdoor environment because the excellent properties. The addition of nanoparticles can improve performance properties including mechanical, electrical, chemical and ultraviolet resistance. However, because polymer in coating are susceptible to degradation [...]

The Study of Surface Accumulated Silica Nanoparticles from “Weathered” Polymer Nanocomposites Using ICP-OES

Rabb S.A., Stanley D., Sung L., Nguyen T., Yu L.L., National Institute of Standards and Technology, US

The impact of nanoparticles on the environment and, more importantly, the human population has been of great interest for the past few years. Release of these nanoparticles from different materials from wear or climate exposure [...]

Using single particle ICP-MS as a tool for understanding metallonanoparticles transformation during nanotoxicity assays

Johnson M.E., Hanna S.K., Petersen E.J., Nelson B.C., Yu L.L., National Institute of Standards and Technology, US

The work presented will establish a method for employing SP-ICP-MS toward the characterization of ENPs following their exposure to a model organism, C. elegans. Sample preparation, SP-ICP-MS analysis, data processing, particulate transport efficiency evaluation, and [...]

The Study of Surface Accumulated Silica Nanoparticles from “Weathered” Polymer Nanocomposites Using ICP-OES

Rabb S.A., Stanley D., Sung L., Nguyen T., Yu L.L., National Institute of Standards and Technology, US

The impact of nanoparticles on the environment and, more importantly, the human population has been of great interest for the past few years. Release of these nanoparticles from different materials from wear or climate exposure [...]

Investigation of Silica Nanoparticles Accumulated on the Surface of Polymer Nanocomposites Exposed to UV Radiation Using ICP-OES

Rabb S.A., Yu L.L., Bernard C., Nguyen T., NIST, US

Silica nanoparticles are being utilized to enhance the mechanical performance of polymeric materials used in the automotive and construction industries. However, cumulative effects of UV radiation will degrade the polymeric molecules, resulting in a potential [...]

An analytical method to quantify the release of silica nanoparticles from polymer nanocomposites exposed to UV radiation

Rabb S.A., Yu L.L., Nguyen T., National Institute of Standards and Technology, US

Silica nanoparticles are being utilized to enhance the mechanical performance of polymeric coatings used in automotive and construction industries. However, cumulative effects of UV radiation will degrade the polymeric molecules, resulting in a potential for [...]